eve
Version:
Filesystem-first framework for durable backend AI agents that run anywhere.
1 lines • 6.14 kB
JavaScript
import{dirname,isAbsolute,join,resolve}from"node:path";import{createDiscoverErrorDiagnostic}from"#discover/diagnostics.js";import{SUPPORTED_AUTHORED_MODULE_FILE_EXTENSIONS}from"#discover/filesystem.js";import{EXTENSION_COMPATIBILITY_MANIFEST_FILENAME,findUnsupportedExtensionCapabilities,parseExtensionCompatibilityManifest}from"#compiler/extension-compatibility.js";import{parseExtensionMountSpecifier}from"#discover/extension-specifier.js";import{parseExtensionPackageRoots}from"#shared/extension-package-contract.js";const DISCOVER_EXTENSION_MOUNT_UNRESOLVED=`discover/extension-mount-unresolved`,DISCOVER_EXTENSION_MOUNT_AMBIGUOUS=`discover/extension-mount-ambiguous`,DISCOVER_EXTENSION_MOUNT_MISSING_DECLARATION=`discover/extension-mount-missing-declaration`,DISCOVER_EXTENSION_NESTED_MOUNT_UNSUPPORTED=`discover/extension-nested-mount-unsupported`,DISCOVER_EXTENSION_OVERRIDE_OUTSIDE_MOUNT=`discover/extension-override-outside-mount`,DISCOVER_EXTENSION_PACKAGE_INVALID=`discover/extension-package-invalid`,DISCOVER_EXTENSION_COMPATIBILITY_INVALID=`discover/extension-compatibility-invalid`,DISCOVER_EXTENSION_CAPABILITY_INCOMPATIBLE=`discover/extension-capability-incompatible`,DISCOVER_EXTENSION_AGENT_CONFIG_UNSUPPORTED=`discover/extension-agent-config-unsupported`,DISCOVER_EXTENSION_SANDBOX_UNSUPPORTED=`discover/extension-sandbox-unsupported`,DISCOVER_EXTENSION_SCHEDULE_UNSUPPORTED=`discover/extension-schedule-unsupported`;function mountNamespace(e){let t=e.slice(e.lastIndexOf(`/`)+1);for(let e of SUPPORTED_AUTHORED_MODULE_FILE_EXTENSIONS)if(t.toLowerCase().endsWith(e))return t.slice(0,t.length-e.length);return t}function mountRefNamespace(e){let t=e.replace(/^extensions\//,``),n=t.indexOf(`/`);return n===-1?mountNamespace(e):t.slice(0,n)}function packageStateNamespace(e){return e.replace(/^@/,``).replace(/[^a-zA-Z0-9._-]+/g,`-`).replace(/^-+|-+$/g,``)||`extension`}async function locateExtensionMount(e){let t=await locateExtensionMountPackage(e);if(t.location===void 0)return{diagnostics:t.diagnostics};let{location:r}=t,a=join(r.distRoot,EXTENSION_COMPATIBILITY_MANIFEST_FILENAME),l;try{l=parseExtensionCompatibilityManifest(await e.source.readTextFile(a),a)}catch(e){return{diagnostics:[createDiscoverErrorDiagnostic({code:DISCOVER_EXTENSION_COMPATIBILITY_INVALID,message:`Extension "${r.packageName}" has no valid compatibility manifest at "${a}". Rebuild or reinstall the extension. ${e instanceof Error?e.message:String(e)}`,sourcePath:a})]}}let u=findUnsupportedExtensionCapabilities(l);return u.length>0?{diagnostics:u.map(e=>createDiscoverErrorDiagnostic({code:DISCOVER_EXTENSION_CAPABILITY_INCOMPATIBLE,message:`Extension "${r.packageName}" requires ${e.capability} contract v${e.requiredVersion}, but this eve supports ${e.capability} contract ${formatSupportedVersions(e.supportedVersions)}. Upgrade eve or install an extension release that requires a supported ${e.capability} contract.`,sourcePath:a}))}:{location:{namespace:r.namespace,specifier:r.specifier,packageName:r.packageName,packageRoot:r.packageRoot,sourceRoot:r.distRoot},diagnostics:[]}}async function locateExtensionMountPackage(t){let a=join(t.agentRoot,t.mount.logicalPath),{namespace:o}=t,s;try{s=await t.source.readTextFile(a)}catch{return{diagnostics:[createDiscoverErrorDiagnostic({code:DISCOVER_EXTENSION_MOUNT_UNRESOLVED,message:`Could not read extension mount "${t.mount.logicalPath}".`,sourcePath:a})]}}let c=parseExtensionMountSpecifier(s);if(c===null)return{diagnostics:[createDiscoverErrorDiagnostic({code:DISCOVER_EXTENSION_MOUNT_UNRESOLVED,message:`Extension mount "${t.mount.logicalPath}" must default-export a mounted extension, e.g. \`export default crm({ ... })\` or \`export { default } from "@acme/crm"\`.`,sourcePath:a})]};let d=await resolvePackageRoot({source:t.source,appRoot:t.appRoot,mountDirectory:dirname(a),specifier:c});if(d===null)return{diagnostics:[createDiscoverErrorDiagnostic({code:DISCOVER_EXTENSION_MOUNT_UNRESOLVED,message:`Could not resolve extension package "${c}" mounted by "${t.mount.logicalPath}".`,sourcePath:a})]};let f=join(d,`package.json`),p;try{p=JSON.parse(await t.source.readTextFile(f))}catch{return{diagnostics:[createDiscoverErrorDiagnostic({code:DISCOVER_EXTENSION_PACKAGE_INVALID,message:`Extension package "${c}" has no readable package.json at "${f}".`,sourcePath:f})]}}let m=parseExtensionPackageRoots(p.eve?.extension);return m===null?{diagnostics:[createDiscoverErrorDiagnostic({code:DISCOVER_EXTENSION_PACKAGE_INVALID,message:`Package "${c}" is not an eve extension: its package.json must declare \`eve.extension.dist\`.`,sourcePath:f})]}:{location:{namespace:o,specifier:c,packageName:typeof p.name==`string`&&p.name.length>0?p.name:c,packageRoot:d,...m.source===void 0?{}:{authoredSourceRoot:resolve(d,m.source)},distRoot:resolve(d,m.dist)},diagnostics:[]}}function formatSupportedVersions(e){return e.length===0?`versions: none`:`versions: ${e.map(e=>`v${e}`).join(`, `)}`}async function resolvePackageRoot(i){if(i.specifier.startsWith(`.`)){let e=resolve(i.mountDirectory,i.specifier);return await hasPackageJson(i.source,e)?e:null}if(isAbsolute(i.specifier))return await hasPackageJson(i.source,i.specifier)?i.specifier:null;let a=bareSpecifierPackagePath(i.specifier),o=resolve(i.appRoot);for(;;){let t=join(o,`node_modules`,a);if(await hasPackageJson(i.source,t))return t;let r=dirname(o);if(r===o)return null;o=r}}function bareSpecifierPackagePath(e){let t=e.split(`/`);return e.startsWith(`@`)?t.slice(0,2).join(`/`):t[0]??e}async function hasPackageJson(e,t){return await e.stat(join(t,`package.json`))===`file`}export{DISCOVER_EXTENSION_AGENT_CONFIG_UNSUPPORTED,DISCOVER_EXTENSION_CAPABILITY_INCOMPATIBLE,DISCOVER_EXTENSION_COMPATIBILITY_INVALID,DISCOVER_EXTENSION_MOUNT_AMBIGUOUS,DISCOVER_EXTENSION_MOUNT_MISSING_DECLARATION,DISCOVER_EXTENSION_MOUNT_UNRESOLVED,DISCOVER_EXTENSION_NESTED_MOUNT_UNSUPPORTED,DISCOVER_EXTENSION_OVERRIDE_OUTSIDE_MOUNT,DISCOVER_EXTENSION_PACKAGE_INVALID,DISCOVER_EXTENSION_SANDBOX_UNSUPPORTED,DISCOVER_EXTENSION_SCHEDULE_UNSUPPORTED,locateExtensionMount,locateExtensionMountPackage,mountNamespace,mountRefNamespace,packageStateNamespace};